A 45-year-old woman from Mumbai is found to be HBsAg positive on routine blood donation screening. She is asymptomatic with normal liver function tests (ALT 32 IU/L). Serology shows: HBsAg positive, anti-HBc IgG positive, anti-HBc IgM negative, HBeAg negative, anti-HBe positive, HBV DNA 1.2 × 10⁶ copies/mL. What is the most appropriate next step in management?